<template>
  <div class="account-box">
    <div class="toggle">
      <a href="javascript:;" v-if="isMsgLogin" @click="isMsgLogin=false">
        <i class="iconfont icon-user"></i> 使用账号登录
      </a>
      <a href="javascript:;" @click="isMsgLogin=true" v-else>
        <i class="iconfont icon-msg"></i> 使用短信登录
      </a>
    </div>
    <Form ref="formCom" class="form" v-slot="{errors}" :validation-schema="schema">
      <!-- 使用账户登录的表单 -->
      {{form}}
      <template v-if="!isMsgLogin">
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field v-model="form.account" :class="{ error: errors.account }" name="account" type="text" placeholder="请输入用户名或手机号" />
          </div>
          <div v-if="errors.account" class="error">
            <i class="iconfont icon-warning">
              {{errors.account}}
            </i>
          </div>
          <!-- <div class="error"><i class="iconfont icon-warning" />请输入手机号</div> -->
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <Field v-model="form.password" :class="{ error: errors.password }" name="password" type="password" placeholder="请输入密码"/>
          </div>
          <div v-if="errors.password" class="error">
            <i class="iconfont icon-warning">
              {{errors.password}}
            </i>
           </div>
        </div>
      </template>
      <!-- 使用短信登录的表单 -->
      <template v-else>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <Field v-model="form.mobile" :class="{ error: errors.mobile }" name="mobile"  type="text" placeholder="请输入手机号"  :validation-schema="schema" />
          </div>
           <div v-if="errors.mobile" class="error">
              <i class="iconfont icon-warning">
                {{errors.mobile}}
              </i>
            </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-code"></i>
            <Field v-model="form.code" :class="{ error: errors.code }" name="code" type="password" placeholder="请输入验证码"/>
            <span @click="send" class="code">
              {{time===0?'发送验证码':`${time}秒后发送`}}
            </span>
          </div>
          <div v-if="errors.code" class="error">
            <i class="iconfont icon-warning">
              {{errors.code}}
            </i>
          </div>
        </div>
      </template>
      <div class="form-item">
        <div class="agree">
          <Field as="XtxCheckbox" name="isAgree" v-model="form.isAgree"/>
          <span>我已同意</span>
          <a href="javascript:;">《隐私条款》</a>
          <span>和</span>
          <a href="javascript:;">《服务条款》</a>
        </div>
           <div v-if="errors.isAgree" class="error">
              <i class="iconfont icon-warning">
                {{errors.isAgree}}
              </i>
            </div>
      </div>
      <a href="javascript:;" class="btn" @click="login">登录</a>
    </Form>
    <div class="action">
      <a href="https://graph.qq.com/oauth2.0/authorize?client_id=100556005&response_type=token&scope=all&redirect_uri=http%3A%2F%2Fwww.corho.com%3A8080%2F%23%2Flogin%2Fcallback">
      <img src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png" alt="">
      </a>
      <div class="url">
        <a href="javascript:;">忘记密码</a>
        <a href="javascript:;">免费注册</a>
      </div>
    </div>
  </div>
</template>

<script>
import { userAccountLogin, userMobileLogin, userMobileLoginMsg } from '@/api/user'
import { Form, Field } from 'vee-validate'
import schema from '@/utils/vee-validate-schema'
import { reactive, ref, watch } from 'vue'
import { useStore } from 'vuex'
import { useRouter } from 'vue-router'
import { Message } from '@/components/library/Message'
import { useIntervalFn } from '@vueuse/shared'
export default {
  name: 'LoginForm',
  components: { Form, Field },
  setup () {
    // 是否短信登录
    const isMsgLogin = ref(false)
    // 收集表单信息对象 - 且用于后续表单校验的对象
    const form = reactive({
      isAgree: true,
      account: null,
      password: null,
      mobile: null,
      code: null
    })
    // 切换表单元素，还原数据和清除校验效果
    const formCom = ref(null)
    watch(isMsgLogin, () => {
      // 还原数据
      form.isAgree = true
      form.account = null
      form.password = null
      form.mobile = null
      form.code = null
      // 补充校验效果清除，Form组件提供resetForm()
      formCom.value.resetForm()
    })
    const store = useStore()
    const router = useRouter()
    // 需要在点击登录的时候对整体表单进行校验
    const login = async () => {
      // Form组件提供了一个 validate 函数作为整体表单校验，当是返回的是一个promise
      const valid = await formCom.value.validate()
      if (!valid) return Message({ type: 'error', message: '表单验证失败' })
      // console.log(router)
      try {
        let res
        // 表单验证成功, 发请求
        if (isMsgLogin.value) {
          // 情况1：手机号码+验证码登录
          res = await userMobileLogin(form)
        } else {
          // 情况2：账号密码登录
          // 测试账号：xiaotuxian001   密码：123456
          res = await userAccountLogin(form)
        }
        Message({ type: 'success', message: '欢迎您' })
        // 1. 存储 token 信息
        store.commit('user/setUser', res.result)
        // 2. 页面跳转（两种情况：1.回跳到某个页面 2.跳转首页
        // router.currentRoute.value 获取当前路由
        router.push(router.currentRoute.value.query.redirectUrl || '/')
        // 登录成功后合并购物车数据
        store.dispatch('cart/mergeLocalCart')
      } catch (error) {
        console.dir(error)
        Message({ type: 'error', message: error.response.data.message || '登录失败' })
      }
    }
    // 计时器
    const time = ref(0)
    // 定时器
    // useIntervalFn(回调函数,执行间隔,是否立即开启)
    const { pause, resume } = useIntervalFn(() => {
      // pause 暂停,  resume 开始
      console.log('开始')
      time.value--
      if (time.value <= 0) {
        pause()
      }
    }, 1000, { immediate: false })
    // 发送手机号验证码
    const send = async () => {
      // 校验手机号码 form.mobile
      const mobileChecked = schema.mobile(form.mobile)
      if (mobileChecked === true) {
      // 没有倒计时才可以发送
        if (time.value !== 0) return
        // 可以发送
        // 倒计时秒数重置
        time.value = 60
        resume()
        // 发送验证码
        try {
          await userMobileLoginMsg(form.mobile)
          Message({ type: 'success', message: '验证码发送成功' })
        } catch (err) {
          console.log(err.response)
          Message({ type: 'error', message: '验证码已发送，稍后再试' })
        }
      } else {
        // 失败，使用vee的错误函数显示错误信息 setFieldError(字段,错误信息)
        formCom.value.setFieldError('mobile', mobileChecked)
      }
    }
    return { isMsgLogin, form, schema, formCom, login, time, send }
  }
}
</script>

<style lang="less" scoped>
// 账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;
    a {
      color: @xtxColor;
      i {
        font-size: 14px;
      }
    }
  }
  .form {
    padding: 0 40px;
    &-item {
      margin-bottom: 28px;
      .input {
        position: relative;
        height: 36px;
        > i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }
        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;
          &.error {
            border-color: @priceColor;
          }
          &.active,&:focus {
            border-color: @xtxColor;
          }
        }
        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }
      > .error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;
        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }
    .agree {
      a {
        color: #069;
      }
    }
    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @xtxColor;
      &.disabled {
        background: #cfcdcd;
      }
    }
  }
  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>
